| Patent Number |
Title Of Patent |
Date Issued |
| 7604088 |
Electric power steering system |
October 20, 2009 |
| An electric power steering system is provided which is capable of providing a favorable steering feeling without using compensation logics such as of inertia compensation and friction compensation. The electric power steering system includes road-noise suppression control means (213) |
| 7600602 |
Motor-driven power steering apparatus |
October 13, 2009 |
| The invention provides a motor-driven power steering apparatus which can achieve a predetermined speed reduction ratio even in the case that the motor-driven power steering apparatus is constituted by a pair of spur gears or helical gears, and can secure a sufficient gear strength on the |
| 7536930 |
Reduction gear unit |
May 26, 2009 |
| A reduction gear unit capable of reducing vibrations caused by gear rattle, while permitting some degree of backlash in a pair of gears, is provided. A reduction gear unit is so configured that a pinion shaft and a main gear shaft are disposed in parallel to each other, and a pinion 1 |
| 7520366 |
Method for producing electric power steering apparatus |
April 21, 2009 |
| A second housing is aligned with a first housing at a predetermined position using positioning means that determines the mounting position of the housing with respect to the first housing at the predetermined position; steering shaft supporting sections and output shaft supporting se |
| 7493985 |
Electric motor power steering system |
February 24, 2009 |
| In an electric power steering system providing steering assist by applying a power of an electric motor to a steering mechanism via a reduction mechanism, the steering mechanism extending from a steering member to dirigible wheels, a grease (viscous material) is applied to a meshing |
| 7474067 |
Electric power steering system |
January 6, 2009 |
| There are provided a high-order current distortion compensator which uses rotational position information on an electric motor and a target current value of the electric motor for deciding a compensation value for current high-order-component for canceling torque ripple caused by predete |
| 7461996 |
Erroneous assembling preventing tool for universal joint and universal joint |
December 9, 2008 |
| An erroneous assembling preventing tool for a universal joint prevents a shaft from being fixed to a cylindrical section of a yoke main body of the universal joint by fastening a bolt in a state where the shaft is not inserted into a normal position of an axial direction of the cylindric |
| 7235905 |
Electric power steering assembly |
June 26, 2007 |
| An electric power steering assembly includes an electric motor, a reduction mechanism for reducing the speed of an output rotation of the electric motor, and a reduction-mechanism housing accommodating therein the reduction mechanism. The electric motor includes: an output shaft rota |
| 6892588 |
Torque sensor |
May 17, 2005 |
| A first alternating signal of which phase changes according to changes in the rotation angle of a first shaft is output, and a second alternating signal of which phase changes according to changes in the rotation angle of a second shaft capable of rotating elastically with respect to the |
| 6763907 |
Vehicle steering apparatus |
July 20, 2004 |
| In a vehicle steering apparatus, a steering actuator is controlled so that the steering angle varies in accordance with the operation of an operating member. A transmission mechanism connects an operating side rotating member that is mechanically connected to the operating member and a |
| 6698542 |
Steering device for vehicle |
March 2, 2004 |
| The steering device for vehicle changes the steering angle by transmitting the movements of the steering electrical actuator to the vehicle wheels. When the vehicle is steered in the stationary state, the hydraulic fluid can be supplied to the steering assistance force generating hydraul |
| 6516916 |
Steering device |
February 11, 2003 |
| In a steering device, the rotation of the input shaft corresponding to the steering operation is transmitted to the output shaft via a rotation transmission mechanism, and is transmitted from the output shaft to the wheels of the vehicle by a steering gear so that the steering angle |
| 6470250 |
Vehicle attitude control apparatus |
October 22, 2002 |
| A vehicle attitude control apparatus, wherein a corrected behavior index value for steering is determined in such a manner that the deviation between a target behavior index value for a vehicle and a corrected behavior index value for steering decreases, as an instability index value |
| 6450592 |
Motor vehicle braking system |
September 17, 2002 |
| A braking system for a motor vehicle is provided, which has an attitude control function. The system includes: a first attitude control circuit for stabilizing the behavior of the motor vehicle by controlling the operation of a steering mechanism of the motor vehicle; a second attitude |
| 6449543 |
Steering device for vehicle |
September 10, 2002 |
| In a steering device for vehicle, the movement of a steering actuator, which is driven in accordance with the rotating operation of an operating member, is transmitted to the vehicle wheels such that the steering angle changes without mechanically coupling the operating member to the whe |
| 6442462 |
Motor vehicle steering system |
August 27, 2002 |
| A motor vehicle steering system is provided which includes: an operation member for steering a motor vehicle; a steering mechanism for turning steerable wheels of the motor vehicle; a first actuator and a second actuator each operative to apply a driving force to the steering mechani |
| 6415215 |
Vehicle attitude control apparatus |
July 2, 2002 |
| In a vehicle attitude control apparatus, a steering actuator is controlled so that a steering angle matches a target steering angle. In an understeer condition; the braking force on the inside wheels is increased and drive power applied to the outside wheels is larger than applied to ins |
| 6415212 |
Steering device for vehicle |
July 2, 2002 |
| In a steering device for a vehicle, the movement of a steering actuator driven by operation of an operating member is transmitted to vehicle wheels, in such a manner that the steering angle changes, without the operating member being coupled mechanically to the vehicle wheels. A first |
| 6364051 |
Electric power steering system |
April 2, 2002 |
| An electric power steering system which assists a steering operation by controlling an electric motor on the basis of a target electric current determined in accordance with a steering torque applied to an operation member and applying a driving force to a steering mechanism from the |
| 6349789 |
Steering device for vehicles |
February 26, 2002 |
| A steering device for vehicles transmits steering torque applied by the driver to wheels. When at least one of braking force and driving force of the wheels is controlled for stabilization of vehicle behavior, steering torque is controlled to cancel out change in the steering torque due |
| 6308122 |
Steering system for motor vehicle |
October 23, 2001 |
| Motor vehicle steering system for driving a steering mechanism on the basis of an operation angle of an operation mechanism. The system includes: a behavioral variable computation section for performing computation on a behavioral variable indicative of a behavior of a motor vehicle; and |
| 6079513 |
Steering apparatus for vehicle |
June 27, 2000 |
| A steering apparatus for a vehicle comprising a calculating means for calculating a target value for the reaction force torque on the basis of a self-aligning torque term which is based on a detected value of a vehicle speed and a detected value of an actual moved position of a steering |
| 5826677 |
Vehicle steering device |
October 27, 1998 |
| A vehicle steering device has a steering inhibition portion that enables the steering device to be switched between a steering inhibition application mode and a steering inhibition release mode--regardless of whether or not the vehicle is being steered by a driver. This arrangement a |
